Average annual temperature is 25.6 °C
Absolute maximum temperature: 40.1 °C
Absolute minimum temperature: 8.7 °C
Number of sunny days: 135 days
Number of rainy days: 230 days
Look at detailed online map of Khammouan
* Weather data for Khammouan Laos is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 31.1 | 34.7 | 37.6 | 39.0 | 40.1 | 35.6 | 33.9 | 33.9 | 33.9 | 33.4 | 33.7 | 33.5 |
| Average daytime temperature (°C) | 25.2 | 29.3 | 32.7 | 35.5 | 34.7 | 31.4 | 31.6 | 30.1 | 30.1 | 30.8 | 30.1 | 28.2 |
| Average temperature (°C) | 19.3 | 23.4 | 25.8 | 29.4 | 29.4 | 27.3 | 27.3 | 26.4 | 26.3 | 26.2 | 24.5 | 22.4 |
| Average night temperature (°C) | 14.5 | 18.7 | 20.4 | 24.7 | 25.4 | 24.3 | 24.2 | 23.9 | 23.6 | 22.7 | 20.0 | 17.9 |
| Absolute minimum temperature (°C) | 8.7 | 13.1 | 16.4 | 20.7 | 22.7 | 23.4 | 23.1 | 23.0 | 22.9 | 19.9 | 15.4 | 12.2 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.2 | 11.6 | 12.0 | 12.5 | 12.9 | 13.2 | 13.1 | 12.7 | 12.2 | 11.7 | 11.3 | 11.1 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 8.8 | 10.1 | 10.7 | 11.1 | 10.6 | 8.4 | 9.4 | 6.4 | 6.6 | 9.5 | 10.1 | 9.8 |
| Precipitation (mm) | 14 | 23 | 29 | 46 | 135 | 433 | 368 | 518 | 555 | 120 | 20 | 1 |
| Sunny days | 26 | 15 | 21 | 11 | 7 | 0 | 0 | 0 | 4 | 6 | 18 | 27 |
| Rainy days | 5 | 13 | 10 | 19 | 24 | 30 | 31 | 31 | 26 | 25 | 12 | 4 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Khammouan is at